In the pivotal second season finale of the early aughts TV series Alias, Jennifer Garner’s super spy Sidney Bristow figures out her roommate Francie has been replaced by an evil doppelgänger when Francie chows down on a pint of coffee ice cream, because “Francie doesn’t like coffee ice cream.” But if you ask me, original Francie is the evil one, because coffee ice cream is the best of all iced cre